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This special edition presents a focused selection of research results addressing key aspects of materials engineering and sustainability.
The contributions reflect current efforts to enhance material performance while minimising environmental impact across the industrial and construction sectors.
Steel, Alloy, High-Entropy Alloy, Polymer, Composite, Mechanical Properties, Metallurgy, Welding, Additive Manufacturing, Recycled Materials, Green Building Materials

The special edition provides a comprehensive examination of key domains in modern materials science and engineering, serving as a valuable resource for researchers and engineers seeking to apply the latest developments toward sustainable and high-performance solutions.
Steel, Polymer, Composite, Mechanical Properties, Fused Deposition Modelling, Shot Blasting, Cutting, Nanomaterials, Nanotechnologies, Nanocomposite, Machine Learning, Magnetic Spinel Ferrites, Tribo-Corrosion, Biomedical Materials, Concrete

Cloud computing environment for engineering and business education Gabriel Raicu1, a, Alexandra Raicu2, b 1Constanta Maritime University, Romania, Department of Economic Engineering in Transports, Mircea cel Batran Street, No. 104, Constanta, 900663, Romania 2Constanta Maritime University, Romania, Department of General Engineering Sciences, Mircea cel Batran Street, No. 104, Constanta, 900663, Romania agabriel.raicu@cmu-edu.eu, balexandra.raicu@cmu-edu.eu Keywords: Cloud computing, simulation environments, engineering, capacity planning, KVM, OpenMX.
The authors present the development of a scientific cloud computing environment (SCCE) for engineering and business simulations that offers high performance computation capability.
The use of advanced engineering simulation technology allows engineers to understand and predict the future performance of complex structures and systems designs which can be optimized to reduce risk, improve performance or enhance survivability.
The code is designed for the realization of large-scale ab initio calculations on parallel computers, and thereby we expect that OpenMX can be a useful and powerful tool for nano-scale material sciences in a wide variety of systems such as bio-materials, carbon nanotubes, magnetic materials, and nanoscale conductors [7].
Rehr, A high performance scientific cloud computing environment for materials simulations, Cornell University Library, http://arxiv.org/abs/1110.054

Design of Product Key Characteristics Management System Wei Du1, a, Rong Mo1,b , Shan Li1,c and Bo Li1,d 1 Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Northwestern Polytechnical University, Xi’an, Shaanxi Province, 710072, China aduwei@nwpu.edu.cn, bmorong@nwpu.edu.cn, clishan@nwpu.edu.cn, dekinshow@sina.com Keywords: key characteristics, key characteristics management, workflow, web services, product lifecycle Abstract.
The product key characteristics (KCs) which are the small number of key product quality information have a significant impact on customer requirements.
Introduction The product characteristics are the external or internal characteristics [1], which determine the final product quality, including material composition, mechanical properties, geometry, surface characteristics and so on.
References [1] Zhihang Lin: Product Design and Manufacturing Quality Engineering (China Machine Press, Beijing 2005)
Thornton, in: Proceedings of the ASME design engineering technical conferences and computers in engineering conference (1996), p. 1 [4] Genbao Zhang, Jihong Pang, Xianlin Ren and Guohua Chen: Computer Integrated Manufacturing Systems, Vol. 17 (2011), p. 151 [5] Yihai He, Xiaoqing Tang and Meiqing Wang: Computer Integrated Manufacturing Systems, Vol. 12 (2006), P.1161 [6] L Y Zheng, C A McMahon, L Li, L Ding, and J Jamshidi, in: Proceedings of the Institution of Mechanical Engineers Part B-Journal of Engineering Manufacture, Vol. 222 (2009), p. 989 [7] Zhicun Liu, Jihua Zou and Yuqing Fan: Computer Integrated Manufacturing Systems, Vol. 13 (2007), p. 2013 [8] Rolls-Royce Company: Selection of key characteristics and use of SPC control charts, manual of specifications of RR9000 (2002)

Research Finite Element Method Mesh Generation Based on Material-discontinuous-nature Jiangchun Hu 1,2,a, Hongfang Wang 1,2,b and Manchao He 2,c 1Zhongyuan University of Technology, Zhengzhou P.R.China, 450007 2State Key Laboratory for GeoMechanics and Deep Underground Engineering (China University of Mining & Technology), Beijing P.R.China, 410083 ahujiangchun@126.com, bwanghf98@163.com, chemanchao@263.net Key words: finite element method; material-discontinuous-nature; mesh; continuum theory Abstract: It is a key step of finite element method analysis to generate engineering structure mesh.
The soils is composed with clay particles and binding materials.
The continuous micro-particle (the two-dimension size) based on the engineering materials is called the primary micro-particle, and the element size (the two-dimension size) of finite element method is called secondary micro-particle.
Acknowledgements The authors would like to acknowledge the financial support of State Key Laboratory for GeoMechanics and Deep Underground Engineering (NO.SKLGDUEK0917).
Soft Rock Engineering Mechanics.

Key Engineering Materials. 431-432(2010)
Vess Truzh Echnye Taps, Moscow Mechanical Engineering, 1976
JOURNAL OF MATERIALS ENGINEERING, 2000(4): 41-44.
China Mechanical Engineering 2010, 21(14): 1714-1718.
TOOL ENGINEERING, 1997, 31(11): 15-18.

Production Technology and key Equipments for Ceramsite Produced from Coal Fly Ash and Clay CHEN Zuobing1,XIE Qiang1,a 1School of Mechanical and Electronic Engineering, Wuhan University of Technology, Hubei, China ajonex@126.com Key words: ceramsite, production technology , key equipments ,coal fly ash, clay Abstract: Under the background that solid wastes have been produced and increased continuously, how to change waste into treasure has become an important research topic to achieve sustainable development.
The development of shale ceramsite has started in the United States since 1913, and the shale ceramsite has been applied to bridge engineering and building construction.
First mix the raw materials.
When the materials with high water ratio first meet with the hot air and 90% of the water in the materials can be dried quickly and then the materials will be crushed and homogenized by the corresponding devices on the draft.
Experimental study on producing ceramsite with sewage sludge in arc blade rotary kiln, Chinese Journal of Environmental Engineering ,Vol. 5, p909-916 (2011).

Mismatch Analysis of Elementary School Desk and Chair Key Characteristics in Indonesia Cucuk Nur Rosyidi1, a, Susy Susmartini1,b,Lu’lu’ Purwaningrum2,c, and Satoshi Muraki4,d 1,2 Industrial Engineering Department Sebelas Maret University Indonesia 2Interior Design Department Sebelas Maret University Indonesia 3Department of Human Science Kyushu University Japan acucuk@uns.ac.id, bsusysus2011@gmail.com, clulupurwaningrum@gmail.com, dmuraki@design.kyushu-u.ac.jp Keywords: mismatch analysis, school furniture, key characteristic, elementary school.
Hence determining the suitable design of desk and chair in term of key characteristics dimensions, shapes, colors, materials and other design characteristics are important.
Materials and Methods Participants.
Two key characteristics of desk and four key characteristics of chair were measured.
Bahill, Improving product design using Quality Funsstion Deployment: The school furniture case in developing countries, Quality Engineering 16 (2003),45-56

This special edition is prepared to provide a structured overview of cutting-edge developments and research in three key categories of materials: composites and polymers, structural metals, and functional materials with applications in electronics and energy.
Publication serves as a valuable resource for researchers and engineers, aiming to understand the latest trends in the development and application of advanced materials.

Mechanical Engineering in English Teaching Ying YU School of Foreign Languages, Jilin Institute of Chemical Technology, Jilin, China 132022 YING_YU1234@126.com Keywords: English for mechanical engineering (EME); current teaching situation; teaching practice Abstract: Based on the characteristic of English for mechanical engineering (EME) curriculum, an analysis is made of the EME teaching situation and learners’ requirement, and then the EME teaching practice is researched from the respects of teaching materials selection, acquisition of vocabulary, analysis of long complex sentence, training of students autonomous learning and diversity of teaching methods in order to well cultivate compound talents needed in the new century.
Its primary aim is to make students master the key mechanical engineering English words, grasp the basic methods of reading and translating science and technology English, so that they can read professional information in English and have the ability of writing.
The teaching practice for EME Reasonable selection of teaching materials Mechanical engineering English textbook choices should attract students’ interest, focusing on a comprehensive, practical coverage.
The overall professional content requires teaching materials should cover all aspects of mechanical engineering, such as the theory of machines and parts, mechanical engineering and parts, mechanical engineering materials, metal heat treatment, materials molding and processing, metal machining, CNC machining, machining, machine tools and process equipment, CAD/CAM, PLC and so on.
Comprehensiveness of integrated English skills demands that teaching materials include content in all aspects to develop learners’ competence to use English.